oj.uz

Submission #927572

# Submission time Handle Problem Language Result Execution time Memory
927572 2024-02-15T05:31:43 Z Muhammad_Aneeq Nautilus (BOI19_nautilus) C++17
66 / 100
 1000 ms 71456 KB 
/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/
#pragma GCC optimize("O2")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include <iostream>
#include <vector>
#include <queue>
#include <bitset>
using namespace std;
int r,c,m;
int const R=500+10;
int const M=5000+10;
char a[R][R]={};
string s;
int ans=0;
bitset<M>vis[R][R]={};
queue<pair<int,pair<int,int>>>Q;
inline bool check(int i,int j,int ind)
{
  if (i<0||i>=r||j<0||j>=c||a[i][j]=='#'||vis[i][j][ind])
    return 0;
  Q.push({ind,{i,j}});
  vis[i][j][ind]=1;
  return 1;
}
inline void bfs(int i,int j)
{
  check(i,j,0);
  while (Q.size())
  {
    auto z=Q.front();
    Q.pop();
    int ind=z.first,i=z.second.first,j=z.second.second;
    if (ind==m)
    {
      ans++;
      return;
    }
      if (s[ind]=='?')
    {
      check(i+1,j,ind+1);
      check(i,j+1,ind+1);
      check(i-1,j,ind+1);
      check(i,j-1,ind+1);
    }
    if (s[ind]=='N')
      check(i-1,j,ind+1);
    if (s[ind]=='S')
      check(i+1,j,ind+1);
    if (s[ind]=='E')
      check(i,j+1,ind+1);
    if (s[ind]=='W')
      check(i,j-1,ind+1);
  }
}
inline void solve()
{
  cin>>r>>c>>m;
  for (int i=0;i<r;i++)
    for (int j=0;j<c;j++)
      cin>>a[i][j];
  cin>>s;
  for (int i=0;i<r;i++)
    for (int j=0;j<c;j++)
      bfs(i,j);
  cout<<ans<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 7000 KB Output is correct
2 Correct 4 ms 7256 KB Output is correct
3 Correct 3 ms 6748 KB Output is correct
4 Correct 3 ms 6504 KB Output is correct
5 Correct 2 ms 5208 KB Output is correct
6 Correct 1 ms 604 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 7000 KB Output is correct
2 Correct 4 ms 7256 KB Output is correct
3 Correct 3 ms 6748 KB Output is correct
4 Correct 3 ms 6504 KB Output is correct
5 Correct 2 ms 5208 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 14 ms 7004 KB Output is correct
8 Correct 7 ms 6744 KB Output is correct
9 Correct 4 ms 6744 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 20 ms 7128 KB Output is correct
13 Correct 24 ms 7004 KB Output is correct
14 Correct 17 ms 7004 KB Output is correct
15 Correct 3 ms 5212 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 19 ms 7004 KB Output is correct
18 Correct 31 ms 7000 KB Output is correct
19 Correct 13 ms 6492 KB Output is correct
20 Correct 5 ms 5212 KB Output is correct
21 Correct 1 ms 348 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 7000 KB Output is correct
2 Correct 4 ms 7256 KB Output is correct
3 Correct 3 ms 6748 KB Output is correct
4 Correct 3 ms 6504 KB Output is correct
5 Correct 2 ms 5208 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 14 ms 7004 KB Output is correct
8 Correct 7 ms 6744 KB Output is correct
9 Correct 4 ms 6744 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 20 ms 7128 KB Output is correct
13 Correct 24 ms 7004 KB Output is correct
14 Correct 17 ms 7004 KB Output is correct
15 Correct 3 ms 5212 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 19 ms 7004 KB Output is correct
18 Correct 31 ms 7000 KB Output is correct
19 Correct 13 ms 6492 KB Output is correct
20 Correct 5 ms 5212 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Execution timed out 1072 ms 71456 KB Time limit exceeded
23 Halted 0 ms 0 KB -